262results about How to "Increase the pressing force" patented technology

Medical device and methods for delivery or implantation of prostheses within hollow body organs and vessels or other luminal anatomy are disclosed. The subject technologies may be used in the treatment of atherosclerosis in stenting procedures.

The invention provides a laser splice welding system for high-strength steel structure thin plates. The laser splice welding system comprises a welding portal frame and the like. A fixed pressing device, a movable pressing device and a welding platform are all located below the welding portal frame. The fixed pressing device and the movable pressing device are located on the two sides of the workpiece welding platform correspondingly. A transversely-moving trolley is arranged on the welding portal frame, a robot level laser composite welding system is fixed to the position below the transversely-moving trolley, and a workpiece transferring device is located on the side faces of a front welding material frame and a rear welding material frame. The welding portal frame is sleeved with a laser protective door, and the front welding material frame and the rear welding material frame are located below one side of the fixed pressing device. According to the laser splice welding system for the high-strength steel structure thin plates, the diversified welding methods such as self-fusible welding, laser filler wire welding and laser electric-arc hybrid welding can be achieved, automatic locating can be conducted before welding; and in the welding process, real-time tracing of welding joints can be achieved, the welding technological parameters are adjusted in real time according to slope gap and misalignment changing, and self-adaptation filling of welding wires is achieved. According to the laser splice welding system, teaching programming is easy, and operating is convenient.

The invention relates to a method for operation of an electromechanically-operated parking brake for motor vehicles with a drive motor provided with a mechanical manual gearbox, essentially comprising an operating element, an electronic controller, provided with wheel rotational speed values from wheel rotational speed sensors, at least one unit for generation of an application force and braking devices applied by the unit on at least one axle, whereby the electronic controller operates the unit, after recognition of a starting procedure for the motor vehicle, in the manner of a release process for the parking brake. According to the invention, a release process for the parking brake, after recognition of a starting process, may be configured to be as convenient as possible, whereby, on recognition of a starting process and before carrying out the release process for the parking brake, the electronic controller 6a operates the unit 1 such as to reduce the application force to a slope-dependent holding force.

The invention relates to a slip clutch, in particular to be used in autobus, which comprises a clamp plate that doesn't have relative movement to the housing but has finite axial movement. The clamp plate is positioned in condition that the slip clutch is installed in a flywheel through a pivoted saucer spring which supports in housing and the clutch that is between the flywheel and the clamp plate is loaded from the direction of driven plate.

The invention discloses a star-arrow adapter for multi-point pressing and synchronous unlocking, characterized by a pressing rod cover plate (1), a pressing nut (2), a pressing flange (3), a pressingrod (4), a pressing connecting rod (5), a supporting connecting rod A (6), a supporting connecting rod B (7), an unlocking connecting rod (8), an unlocking sliding block (9), an unlocking spring (10),a pressing base (11), a mounting base plate (12), a linkage rod (13), an L-shaped connecting rod (14), a locking pin connecting rod (15), an unlocking pin (16), a pin pulling spring (17), an unlocking pin shell (18), a pin puller (19), a separation guide cylinder (20), a separation guide rod (21), a separation top cover (22) and a separation spring (23). The star-arrow adapter is compact in appearance, strong in compatibility, high in locking rigidity, low in unlocking impact, pollution-free and reusable.

A photovoltaic solar cell (SZ) of improved light-to-current conversion properties is provided with nano emitters (NE) of acicular or rib-like form and are separated from each other at a uniform distance D≦√{square root over (2)}L and penetrating to a penetration depth $T\ge d_{\mathrm{HL}}-\frac{L}{2}+w$

into the semiconductor layer (HL).

The invention relates to an electric device (1) for interdental cleaning and for treating teeth and gingivae comprising a casing (2) containing an eccentric mass (23) which is driven by an electric motor (22) and whose vibrations are transmitted to a tool holding fixture (5). A coupling area (A, B) for the tool holding fixture is connectable to a coupling area (34, 38) of a mouth cavity treating tool such as an interdental cleaner (31), a dental floss holder (37), friction and polishing discs, etc by means of connecting means. According to said invention, the tool holding fixture (5) consists of a pivot-shaped segment (48) and a coupling area (B) formed on the free front end face (61) of said segment, wherein said coupling area (B) is embodied in the form of a polygonal, preferably rectangular, reception orifice (26) in which the coupling area (34) of the tool (31) can be formed by plastic deformation. A toothpick (31) and a dental floss holder (37) are also disclosed. Said invention makes it possible to carry out a particularly soft interdental cleaning.

The invention discloses a metal part interference fitting device and a fitting method. The fitting device comprises an equipment base of equipment to be fitted, a first metal part to be fitted, a second metal part to be fitted, a pressing head for pressing and fitting the first metal part, a pressing base adapted to the second metal part, a guide tool used for guiding the first metal part, and a positioning tool used for positioning the first metal part, wherein the first metal part is pressed and fitted into the second metal part; and the pressing base is arranged on the equipment base. With the adoption of the metal part interference fitting device, problems of pressing inclination, directional expansion and great difference caused by factors of equipment and the like can be greatly reduced, a pressing-in force needed by metal part interference fit is stably realized, the probability of not assembling in place is lowered, the coaxiality of an assembly part after the interference fit is greatly improved, and a stable corresponding relation between a releasing force and the pressing-in force of the assembly piece after the interference fit is greatly improved.

The invention discloses a punching mould and a punching method suitable for labtop keyboard frame, wherein the mould comprises a group of blanking modules for blanking, a plurality of groups of coarse punching mouldes, and a group of fine punching modules for finally and finely processing. According to the punching method of the invention, the modules cooperated with each other, the side walls of the punched keyboard frame has enough euphotic belts, the positive and negative surfaces of a keyboard hole are acute angles and have no singk angle. At the same time, the punching mould of the invention uses a punching head and a lower mould inlet block processed by PG (profile grinding) optical grinding, and further is provided with a nitrogen spring so that the products have good euphotic belt and flatness.

According to the invention, a lift cabin is equipped with a detector (11) that records the speed of the cabin, said detector comprising a unit (13) that identifies an excess speed and that electrically controls a braking device. The aim of the invention is to ensure the reliable detection of the speed of the lift cabin. To achieve this, in order to determine said speed, two rollers (9) are provided on a guide track (2). The speed of each roller (9) is recorded independently by detectors (11) and the unit (13) triggers an emergency braking procedure, if one of the detectors (11) indicates an excess speed. The two rollers (9) can be mounted to pivot on a rocker bar (10) on either side of the guide track (2), the rocker bar (10) being eccentrically pre-tensioned by a spring (15). The invention also relates to a method, according to which the actuating force for the braking device can be mechanically increased with the aid of the rollers.

A control method for the zero regulation of rollers on universal steel rolling mill features that both vertical roller and hydraulic drive system are used for the axial movement and aligning of upper horizontal roller, and the bearing holder of upper roller and its clamping plate, clamping cylinder, locating cylinder, and lug are used for the zero-regulating and aligning between upper and lower horizontal rollers.

The invention relates to filtering elements. A set of filtering elements is clamped in a pressure bearing structure of a flexible pipe squeezing machine along the direction of squeezing force; the filtering elements are characterized in that at least one water-permeable plate is arranged in a filtering chamber; the front and rear surfaces of the water-permeable plate are water-permeable filtering surfaces; the water-permeable filtering surfaces of the water-permeable plate are vertical to the direction of squeezing force; the water-permeable plate is located in the filtering chamber at the upside of a lower flange; and each water-permeable plate comprises a plate type filtering medium, an upper locking plate pressure strip, an upper locking plate strip, a filtering cloth tightening strip, a filtering cloth tightening pressure strip and at least one filtrate cavity communication pipe mouth. The working principle of the filtering elements is as follows: the filtering chamber of a part of flexible filtering elements is filled with raw materials to be taken as pressurized filtering elements; the filled raw materials expand slowly by utilizing other filtering elements as pressure-applying filtering elements; the pressurized filtering elements filled with the raw materials are compressed by utilizing the expansion force, so that the raw materials are squeezed and dehydrated; the mud cake in the filtering chamber is extruded out by utilizing the expansion force; immediately, the filtering elements are converted into the pressure-applying filtering elements; and, by means of such a cycle, the dehydration process of the raw materials is completed.

The invention relates to a securing device (100) for an optical body (1) for a motor vehicle headlight or for a light module for a motor vehicle headlight, which optical body (1) has a number of front-end optical systems (11, 12, 13, 14, 15) which are arranged one next to the other, wherein each front-end optical system (11-15) is formed from a light-guiding material, and each front-end optical system (11-15) has a light-input face (11a-15a) and a light-extraction face (11b-15b), wherein the front-end optical systems (11-15) are mechanically connected to one another with at least one connecting web (21, 22), running transversely with respect to the front-end optical systems (11-15), in the region of the light-extraction faces (11b-15b), wherein the at least one connecting web (21, 22) is optically ineffective at least in certain areas, wherein the securing device has a base body (101) with receptacles (121, 122) for the optical body (1), and a securing body (102) which holds the optical body in the base body by means of clamping elements (102b, 102c).

The invention claims a punching mould of LCD (liquid crystal display) flat-panel display back plane bevel edge convex packet and a punching method, wherein the punching mould comprises a first module and a second module, the first module comprises a first punching head and a first lower template, the first lower template is provided with a first forming groove which is sunk, the second module comprises a second punching head and a second lower template, the second lower template is provided with a second forming groove which is sunk; the punching method of the invention using the punching mould comprises the following steps: punching materials with the first module to form a middle convex packet; performing back processing to the middle convex packet with the second module to form a target convex packet; the punching mould and the punching disclosed by the invention have the advantages of using two sets of modules to reduce the torsion of the material caused by forming, and using a nitrogen spring and a pressure line to increase material pressing force caused by punching and forming and to prevent pulling the materials on the plane to make the plane rebound.